bb8dae996a0e73fbe03422cc181b6121c9d83ad707aff6eea80a8f982e372d07

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2024 05:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4fb0df6d2b0649c26aec281deff8d52a.pdf
Size

89KB
MD5

4fb0df6d2b0649c26aec281deff8d52a
SHA1

c9861cad416f450e51a2164a4f532f7a697cde28
SHA256

bb8dae996a0e73fbe03422cc181b6121c9d83ad707aff6eea80a8f982e372d07
SHA512

f0b8aff226b6fc4b9fb7f7803638efae6237566d76e04609bb1918165111dd003988e8459926bf614fe7496e239c3a85f956deb124d7958c5cb353440e80cdb1
SSDEEP

1536:2H1ePJp2mFsqi7wo29Up9H0SP9YFiwIJ4VaCWdmrQADjOWapOtQFUp+fnyN:q1ePJm09G9H0SP97tcnjTtQhs

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe
1556	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 4356	1556	AcroRd32.exe	90
PID 1556 wrote to memory of 4356	1556	AcroRd32.exe	90
PID 1556 wrote to memory of 4356	1556	AcroRd32.exe	90
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3692	4356	RdrCEF.exe	92
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91
PID 4356 wrote to memory of 3672	4356	RdrCEF.exe	91

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\4fb0df6d2b0649c26aec281deff8d52a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4356
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=8F7B82BDC969703896ED6D7678E59313 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=8F7B82BDC969703896ED6D7678E59313 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3672
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=E91AAC9A2608E719A2646046B07B4FDF --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3692
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=57B14E9C73FF8B612F0E8E22B44D17C9 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=8A4FF665F70BBB0A29DA96D97FCE7683 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=8A4FF665F70BBB0A29DA96D97FCE7683 --renderer-client-id=6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2876
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=CBEE4D1A5C724CE20D981AC5F38DE5CE --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4496
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=72095E936B88AA2824CD4A1E3969D511 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2396

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
e217e27d699c688994d1567f29b05bf2

SHA1
87171a19e0af5e6c40da10a6b0e3587374375e77

SHA256
6399e625677e6aa9623efadd9cf906df0819c1616b35b15b6c62ff986985db18

SHA512
eb8cad9d3387ef5494c4c1db54ade609b2842ea8b0c8515d55d3a04c60cb01e1c6d20adb9e1cd19bcb1ea3d9fe4b35d890d1cb36677a59fb38d15f5cc5ee2645

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1556-28-0x000000000C5F0000-0x000000000C611000-memory.dmp

Filesize
132KB

Download
memory/1556-26-0x000000000C5F0000-0x000000000C640000-memory.dmp

Filesize
320KB

Download